]> GH barcode-01780801 United States of America Oklahoma on south side of road ca. 0.2 mile east of entrance to Tishomingo Natl. Wildlife Refuge, east of Rte. 99, ca. 1.0 miles south of Washita River, south of Tishomingo, Sec. 17, T4S, R6E Ludwigia uruguayensis (Cambessedes) H. Hara (Cambessedes) H. Hara 2020-05-12 09:12:46 C. B. Hellquist & L. Crouch